Gearbox adjusting bolt

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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Gearbox adjusting bolt

Postby Martin.S » Fri Dec 07, 2018 12:10 pm

I don't have the 7/16"(043938) bolt that is at the top of the gearbox that has the hole for the adjuster bolt so I'm making one up in stainless, would anyone have one handy that they could measure the distance from the centre of the hole and the mating face to the engine plate?
Also the length of the 5/16" diameter of the other part - 042937 would be handy too.
Thanks
Martin
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Re: Gearbox adjusting bolt

Postby Bernie.Jones » Fri Dec 07, 2018 5:44 pm

Hi Martin, mine measures at 0.375"

Cheers,
Bernie

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Re: Gearbox adjusting bolt

Postby alanengineer » Fri Dec 07, 2018 6:00 pm

I would have thought it to be closer to 4" than 3/8"

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Re: Gearbox adjusting bolt

Postby Bernie.Jones » Fri Dec 07, 2018 6:08 pm

Haha! I was answering the first part of the question! Just seen the second part and will measure it up in the morning and post back.

Cheers,
Bernie

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Re: Gearbox adjusting bolt

Postby Martin.S » Fri Dec 07, 2018 6:15 pm

Thanks Berni

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Re: Gearbox adjusting bolt

Postby Bernie.Jones » Fri Dec 07, 2018 8:55 pm

Just measured both to be sure:

Underside of head to C/L of through hole is 0.375" on both parts.
Length of shanks is 2.875" for 042937 and 4.0" for 043938.

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Re: Gearbox adjusting bolt

Postby Martin.S » Sat Dec 08, 2018 9:30 am

A big Thank you Bernie - much appreciated. :D

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